Ultrafast Ti: Sapphire oscillator (Coherent Micra)
250-kHz regenerative amplifier (Coherent RegA 9050): > 6 µJ per pulse
1 kHz regenerative amplifier (Coherent Astrella): > 7 mJ per pulse
Tunable (1.2 µm ~ 2.4 µm) infrared Optical Parametric Amplifier (Coherent OPA 9850)– Visible (480 nm ~ 2.3 µm) Optical Parametric Amplifier (Coherent OPA 9450)
Mid-IR (3 µm ~ 6 µm) Difference-Frequency Generators (Coherent DFG 9850)
Dual Channel Traveling-Wave (1.16 µm ~ 2.6 µm) Optical Parametric Amplifier (Light Conversion TOPAS-Twins)
Ultrafast optical and transport measurement
Optical-pump (400 nm ~ 6 µm) and THz-probe (0.5 THz ~ 20 THz) spectroscopy
All optical pump-probe (400 nm ~ 6 µm) spectroscopy
Ultrafast Kerr-rotation spectroscopy and microscopy
Scanning near-field confocal microscopy: home-built spatially (~ 1 µm) and temporally (~ 100 fs) resolved scanning microscopy with PL, PLE, and photocurrent 2D mapping
Time-correlated single-photon counting and timing (PicoQuant) for quantum optics
AttoDRY 2100 magneto-optic closed cycle cryostat, an automated temperature control from 1.65 K to 300 K, ~9 Tesla
Low-temperature probe station with 6 contact arms
Two JANIS ST-300 cryostat: 4 K, liquid-flow vacuum cryostat for THz spectroscopy
One JANIS ST-500 cryostat: 4 K, liquid-flow vacuum cryostat for single photon emitters
Two Oxford Microstat: 4 K, liquid-flow vacuum cryostat
Quantum cascade laser (QCL): continuous-wave lasing at 10 µm
Photoluminescence excitation spectroscopy (PLE)
Photoluminescence (PL) spectroscopy
Device fabrication
Glove box with oxygen and water level below 1 ppm
Mask-aligner with 1 μm of alignment accuracy
Furnace for thermal annealing
Fume hood for chemical treatment
Thermal Evaporator system with thickness measurement
Reactive Ion Etcher (Ar, O2, SF6, CF4)